# The parsec and the light-year are both units of?

##### 1 Answer

May 15, 2016

Distance. 1 light year =

1 parsec =

#### Explanation:

The distance that light traverses in 1 sec is light second = 499792458 meters.

1 light year = this distance for 1 year

= 499792458 X(the number of seconds in a year)

= 499792458 X (60 X 60 X 24 X 365.256363) meters

=

1 parsec =

Definition of 1 parsec

= (Sun-Earth distance)/( 1'' in radian measure)

.